Gymnastics, especially the "floor routine"
The Olympics
Field hockey.
Water polo Swimming Diving
That sport would be Fencing.
yes In 1926, it was declared an official Olympic sport. Skeleton is another name for tobogganing.
One name all knows as Romanian brand in Sport and Olympics: Nadia Comanici, gymnast with highest number of medals in one sport in Olympics from Romania(gymnastics)
Freestyle Skiing - Aerials
No, as of 2012, Ballroom Dancing is not an Olympic sport. There is a good possibility of Dancesport (the name for competitive ballroom) becoming an Olympic sport in the future though.
The "Olympics" is the name given to the games. Games do not eat etc, it is the athletes that participate in the Olympics that eat and train.These athletes eat a balanced diet, tailored to the sport for which they are training.As your question is muddled and because you have not specified the sport we can not provide you with more detailed information.
"calligraphy"
The first Olympic Games were held in Olympia (southwest of the Balkans) in ancient Greece in 776BC. The sport events got their name from the place where they originated from.